Lawrence Livermore National Laboratory in California has now identified with certainty the heaviest element known to science.
The new element, Pelosium (PL), has one neutron, 25 assistant neutrons, 88 deputy neutrons, and 198 assistant deputy neutrons, giving it an atomic mass of 312.
These 312 particles are held together by forces called morons, which are surrounded by vast quantities of lepton-like particles called peons.
Pelosium is inert, and has no charge and no magnetism. Nevertheless, it can be detected because it impedes every reaction with which it comes into contact. A tiny amount of Pelosium can cause a reaction that would normally take less than a second, to take from 4 days to 4 years to complete.
Hat tip to Karen L. Myers.